Subluxation: Partial dislocation of a joint. A complete dislocation is a luxation.
The largest number of items per content database that has been tested on SharePoint Server 2013 is 60 million items, including documents and list items. If you plan to store more than 60 million items in SharePoint Server 2013, you must deploy multiple content databases.
User permissions. SharePoint 2013 includes 33 permissions, which are used in the default permission levels. You can configure which permissions are included in a particular permission level (except for the Limited Access and Full Control permission levels), or you can create a new permission level to contain specific permissions.